C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

High beam problem

Old 08-07-2007, 10:41 AM
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jmbatt
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Default High beam problem

While driving last night I went to put my high beams on and got nothing. No click when i pulled the stalk back. My low beams are okay. Is it a problem with the headlamp switch or the headlights? TIA.
Old 08-07-2007, 03:07 PM
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jfb
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Could be either or both! Unplug a headlight and measure the headlight resistance and then measure the voltage on the headlight socket with the high beams on. One or both have to show a fault!
Old 08-07-2007, 04:06 PM
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ecorse66
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No click sounds like a switch.
Old 08-07-2007, 04:43 PM
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Da Mail Man
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Originally Posted by ecorse66
No click sounds like a switch.
Old 08-07-2007, 04:50 PM
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What year car?
Old 08-07-2007, 09:28 PM
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MikeC4
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-I agree with the others regarding headlight switch. Try this --> If you have Tilt wheel, put it in the up-most position and see if you can get the headlight switch to click high/Low.

The switch most likely needs to be adjusted, which means you have to loosen the 2 attaching screws to the switch and slide it forward, or toward the steering wheel. The switch is located on your steering column just forward of the brake pedal. This switch is a PITA to get at....

Old 08-07-2007, 10:51 PM
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jmbatt
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Sorry about that.......93 coupe, auto.
Old 08-07-2007, 10:54 PM
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Went to look for the switch and noticed an external wire running along the back of the stalk into the steering column...what's that?
Old 08-07-2007, 11:29 PM
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The dimmer switch is bolted to the middle of the steering column.
The mounting holes are slotted so there is some room for adjustment.

It's operated by a metal rod. If it's adjusted properly you should hear the switch click when you pull on the stalk.

If you have a lot of slop sideways on the steering column (worn tilt pins) the rod can fall out of position. The switch looks similiar to this.

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